经皮球囊肺动脉瓣成形术用于治疗先天性肺动脉瓣狭窄可获得满意效果。关键是选择直径恰当的球囊导管。我院以彩色多普勒超声确诊2例先天性肺动脉瓣狭窄的患儿,并应用二维超声心动图测定肺动脉瓣环直径,然后行经皮球囊肺动脉瓣成形术获得成功,现报告如下。例1 女,7岁。2岁对发现杂音,经临床、心 Percutaneous balloon pulmonary valvuloplasty for the treatment of congenital pulmonary valve stenosis can be satisfactory results. The key is to choose the right diameter balloon catheter. Two cases of congenital pulmonary valve stenosis were diagnosed by color Doppler sonography in our hospital. The diameter of the pulmonary valve annulus was measured by two-dimensional echocardiography and then the percutaneous balloon pulmonary valvuloplasty was successful. The report is as follows. Example 1 Female, 7 years old. 2 years old to find noise, clinically, heart